diff --git a/.editorconfig b/.editorconfig
index 8f9d77e..98a761d 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -10,6 +10,3 @@ insert_final_newline = true
 [{package.json,*.yml}]
 indent_style = space
 indent_size = 2
-
-[*.md]
-trim_trailing_whitespace = false
diff --git a/.gitattributes b/.gitattributes
index 176a458..391f0a4 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 * text=auto
+*.js text eol=lf
diff --git a/.travis.yml b/.travis.yml
index 2a2f1c6..97519af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 language: node_js
 node_js:
-  - 'stable'
-  - '0.12'
-  - '0.10'
+  - '6'
+  - '4'
diff --git a/index.js b/index.js
index da31efd..f22c313 100644
--- a/index.js
+++ b/index.js
@@ -1,13 +1,4 @@
 'use strict';
-
-var fn = module.exports = function (x) {
-	return fn.end(fn.start(x));
-};
-
-fn.start = function (x) {
-	return x.replace(/^[\r\n]+/, '');
-};
-
-fn.end = function (x) {
-	return x.replace(/[\r\n]+$/, '');
-};
+module.exports = x => x.replace(/^[\r\n]+/, '').replace(/[\r\n]+$/, '');
+module.exports.start = x => x.replace(/^[\r\n]+/, '');
+module.exports.end = x => x.replace(/[\r\n]+$/, '');
diff --git a/package.json b/package.json
index c0bca90..ede37d3 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "url": "sindresorhus.com"
   },
   "engines": {
-    "node": ">=0.10.0"
+    "node": ">=4"
   },
   "scripts": {
     "test": "xo && ava"
diff --git a/readme.md b/readme.md
index fedb3ca..2737ea2 100644
--- a/readme.md
+++ b/readme.md
@@ -13,7 +13,7 @@ $ npm install --save trim-newlines
 ## Usage
 
 ```js
-var trimNewlines = require('trim-newlines');
+const trimNewlines = require('trim-newlines');
 
 trimNewlines('\nunicorn\r\n');
 //=> 'unicorn'
@@ -43,4 +43,4 @@ Trim from the end of a string.
 
 ## License
 
-MIT © [Sindre Sorhus](http://sindresorhus.com)
+MIT © [Sindre Sorhus](https://sindresorhus.com)
diff --git a/test.js b/test.js
index fcef2bf..fe65257 100644
--- a/test.js
+++ b/test.js
@@ -1,25 +1,25 @@
 import test from 'ava';
-import fn from './';
+import m from '.';
 
 test('main', t => {
-	t.is(fn('\nx\n'), 'x');
-	t.is(fn('\n\n\nx\n\n\n'), 'x');
-	t.is(fn('\r\nx\r\n'), 'x');
-	t.is(fn('\n\r\n\nx\n\r\n\n'), 'x');
+	t.is(m('\nx\n'), 'x');
+	t.is(m('\n\n\nx\n\n\n'), 'x');
+	t.is(m('\r\nx\r\n'), 'x');
+	t.is(m('\n\r\n\nx\n\r\n\n'), 'x');
 });
 
 test('start', t => {
-	t.is(fn.start('\nx'), 'x');
-	t.is(fn.start('\r\nx'), 'x');
-	t.is(fn.start('\n\n\n\nx'), 'x');
-	t.is(fn.start('\n\n\r\n\nx'), 'x');
-	t.is(fn.start('x\n\n\r\n\n'), 'x\n\n\r\n\n');
+	t.is(m.start('\nx'), 'x');
+	t.is(m.start('\r\nx'), 'x');
+	t.is(m.start('\n\n\n\nx'), 'x');
+	t.is(m.start('\n\n\r\n\nx'), 'x');
+	t.is(m.start('x\n\n\r\n\n'), 'x\n\n\r\n\n');
 });
 
 test('end', t => {
-	t.is(fn.end('x\n'), 'x');
-	t.is(fn.end('x\r\n'), 'x');
-	t.is(fn.end('x\n\n\n\n'), 'x');
-	t.is(fn.end('x\n\n\r\n\n'), 'x');
-	t.is(fn.end('\n\n\r\n\nx'), '\n\n\r\n\nx');
+	t.is(m.end('x\n'), 'x');
+	t.is(m.end('x\r\n'), 'x');
+	t.is(m.end('x\n\n\n\n'), 'x');
+	t.is(m.end('x\n\n\r\n\n'), 'x');
+	t.is(m.end('\n\n\r\n\nx'), '\n\n\r\n\nx');
 });